<!DOCTYPE html>
<html>
  <head>
    <title>Test menclose radical</title>
    <meta charset="utf-8"/>
  </head>

  <body>
    <!-- menclose: radical -->
    <math>
      <msqrt style="font-size:12px;"><mi>x</mi></msqrt>
    </math>

  </body>
</html>
